Table 3

Comparison of the mean (±SD) irregular astigmatism components of the total cornea between eyes that underwent a 2.4 mm nasal clear corneal incision (CCI; nasal CCI group) and eyes that underwent a 2.4 mm temporal CCI (temporal CCI group)

	Nasal CCI group	Temporal CCI group	P values
Higher order irregularity component
Preoperatively	0.15±0.04	0.16±0.06	0.1114
2 days postoperatively	0.31±0.10	0.24±0.10	0.0015^*
2 weeks postoperatively	0.22±0.06	0.19±0.09	0.0814
4 weeks postoperatively	0.20±0.07	0.17±0.05	0.0202^*
8 weeks postoperatively	0.18±0.06	0.17±0.06	0.3320
Asymmetry component
Preoperatively	0.45±0.21	0.51±0.33	0.2917
2 days postoperatively	0.70±0.34	0.75±0.47	0.5950
2 weeks postoperatively	0.50±0.21	0.50±0.25	0.9651
4 weeks postoperatively	0.48±0.19	0.49±0.29	0.8280
8 weeks postoperatively	0.46±0.21	0.48±0.27	0.7315

↵* Statistically significant difference between groups.